General Science Questions

Q:

Name the scientist who proposed the cell theory

A) Schleiden and Schwann B) Lamarck
C) Treviranus D) Whittaker and Stanley
 
Answer & Explanation Answer: A) Schleiden and Schwann

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Q:

A person who drives a train is called

A) Loco pilot B) Railway engineer
C) Railway man D) Freight engineer
 
Answer & Explanation Answer: A) Loco pilot

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Q:

Which atmospheric layer contains ozone layer?

A) Genosphere B) Zonosphere
C) Stratosphere D) Ionosphere
 
Answer & Explanation Answer: C) Stratosphere

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Q:

Which of the following metal (shown by its symbol) is generally used for making filaments of bulb?

A) Fe B) An
C) Ag D) W
 
Answer & Explanation Answer: D) W

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Q:

Azolla increases soil fertility for ....

A) maize cultivation B) wheat cultivation
C) barley cultivation D) rice cultivation
 
Answer & Explanation Answer: D) rice cultivation

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Q:

Annona squamosa is the scientific name of

A) Custard Apple B) Papaya
C) Babhul D) Drumstick
 
Answer & Explanation Answer: A) Custard Apple

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Q:

In December 2015, NASA's Curiosity Mars rover found the presence of ____, which will help scientists learn about the ancient wet environment.

A) Magnesium B) Cadmium
C) Silica D) Calcium
 
Answer & Explanation Answer: C) Silica

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Q:

The method of soil conservation in which bare ground between plants is covered with layer of organic matter like straw is called?

A) Mulching B) Contour barriers
C) Rock dam D) Terrace farming
 
Answer & Explanation Answer: A) Mulching

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